Samsung SGH-E400 User manual

SGH-E400

SERVICE

Manual

GSM TELEPHONE CONTENTS

1. Specification

2. Exploded Views and Parts List

3. Electrical Parts List

4. Flow Chart of Troubleshooting

5. Block Diagrams

6. PCB Diagrams

GSM TELEPHONE

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1. SGH-E400 Specification

1-1

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1. GSM General Specification

GSM900

Phase 1 EGSM 900

Phase 2 DCS1800

Phase 1 PCS1900

Freq. Band[MHz]

Uplink/Downlink 890~915

935~960 880~915

925~960 1710~1785

1805~1880 1850~1910

1930~1990

ARFCN range 1~124 0~124 &

975~1023 512~885 512~810

Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz

Mod. Bit rate/

Bit Period 270.833kbps

3.692us 270.833kbps

3.692us

Time Slot

Period/Frame Period 576.9us

4.615ms 576.9us

4.615ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK

MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm

Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl

Sensitivity -102dBm -102dBm -100dBm -100dBm

TDMA Mux 8 8 8 8

Cell Radius 35Km 35Km 2Km -

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SGH-E400 Specification

1-2

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2. GSM TX power class

TX Power

control level GSM900

5 33±2dBm

6 31±2dBm

7 29±2dBm

8 27±2dBm

9 25±2dBm

10 23±2dBm

11 21±2dBm

12 19±2dBm

13 17±2dBm

14 15±2dBm

15 13±2dBm

16 11±3dBm

17 9±3dBm

18 7±3dBm

19 5±3dBm

TX Power

control level DCS1800

0 30±3dBm

1 28±3dBm

2 26±3dBm

3 24±3dBm

4 22±3dBm

5 20±3dBm

6 18±3dBm

7 16±3dBm

8 14±3dBm

9 12±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

TX Power

control level PCS1900

0 30±3dBm

1 28±3dBm

2 26±3dBm

3 24±3dBm

4 22±3dBm

5 20±3dBm

6 18±3dBm

7 16±3dBm

8 14±3dBm

9 12±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

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2. SGH-E400 Exploded View and its Parts list

2-1

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1. Cellular phone Exploded View

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SGH-E400 Exploded view and its Part list

2-2

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NO Description SEC.CODE REMARK

1DUAL WINDOW LCD GH72-07016A

2FOLDER UPPER GH75-02792D

3LCD GH07-00303A

4SPEAKER 3001-001402

5MOTOR GH31-00051A

6FOLDER LOWER GH75-02791A

7MAIN WINDOW LCD GH72-07015A

8SCREW 6001-001478

9FRONT COVER GH75-02790E

10 VOLUME KEY GH75-02795A

11 KEYPAD GH75-02794A

12 MAIN PBA GH92-01465A

13 ANTENNA GH42-00274A

14 DOME SHEET GH59-00724A

15 MIC GH30-00047A

16 CONNECTOR COVER GH72-07032A

17 REAR COVER GH75-02796A

18 SCREW 6001-001478

19 RF COVER GH73-01819A

20BATTERY GH43-00826A 900MAH

GH43-00827A 700MAH

2. Cellular phone Parts list

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SGH-E400 Exploded view and its Part list

2-3

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3. Test Jig (GH80-00865A)

3-1. RF Test Cable

(GH39-00090A)

3-2. Test Cable

(GH00-00127A)

3-3. Serial Cable

3-4. Power Supply Cable 3-5. DATA CABLE

(GH39-00159A)

3-6. TA

(GH44-00184A)

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3. SGH-E400 MAIN Electrical Parts List

3-1

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 

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SGH-E400 Electrical Parts List

3-2

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 

 

 

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 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SAMSUNG Proprietary-Contents may change without notice

SGH-E400 Electrical Parts List

3-3

This Document can not be used without Samsung's authorization

  



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SAMSUNG Proprietary-Contents may change without notice

SGH-E400 Electrical Parts List

3-4

This Document can not be used without Samsung's authorization

  



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 















  











































































  











































































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